Number of individuals of the species in the area. For example a school of fish requires a large amount of individuals to avoid inbreeding. A species that is very imbred is the Northern Elephant seal, having originated from a few select individuals after being nearly driving to extinction. Although these seals have made a meraculous recovery, they suffer from their inbreeding with damage to their spines and cateracts.
Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically). Therefore, elements are pure substances. Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules.
After a client who had an incision and drainage of an oral
abscess has been discharged, a clinical finding that should be of concern and
should prompt the client to report to the healthcare provider is if there is pain
with swelling after one week; a painful swelling filled with pus may indicate
the recurrent oral abscess.
I think to protect oneself from possible blood borne pathogen transmission when providing care it is important to use PPE such as disposable gloves, breathing barrier or mask. PPE is an abbreviation for personal protective equipment; they are equipment that will protect the user against health or safety risks at work. They may include items such as safety helmets, gloves, eye protection, high-visibility clothing, safety footwear and safety harnesses.
